changed for the united states because during the war, the united states issued the code, written by francis lieber, he had spent most of his his in north carolina -- code sets out against further rules for the treatment of prisoners of war, but they are not substantially war, but they are not substantially different than existing rules. the only difference is the united states is now explicitly codified a more -- a few more rules and the united states has made it clear it expects its soldiers and its enemies to abide by these rules. well the confederates can say, we are not under your code, the confederates were certainly aware the lieber code was out there and could be used against them. generalheard talk about sherman. he marches to georgia under the lieber code and there are times when he orders the execution of his own troops for violating its. there are northern troops, for instance -- sherman's office was finding a covered wagon full of things american soldiers had taken from southern homes to ofd sherman orders the trial everyone connected with this wagon and he simply burned the entire wag